I'm convinced sales forecasters don't actually understand how software ecosystems work. From a stack perspective, you can't really go it alone anymore. The tot

I'm convinced sales forecasters don't actually understand how software ecosystems work. From a stack perspective, you can't really go it alone anymore. The total necessary software universe is too large to rebuild on a reasonable timescale, and too expensive to rebuild by oneself. IBM is about the smallest scale that can do this -- and even they're leveraging decades of effort.